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jump (one's) bones
slang To have sex with one, especially in an energetic or enthusiastic manner. Samantha was ogling the waiter and murmured crassly that she'd like to jump his bones. I could tell the two wanted to jump each other's bones, so I excused myself and left them to their own devices.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
jump (someone's) bonesVulgar Slang
To have sexual intercourse with someone.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.